/Engine/Plugins/Importers/USDImporter/Source/USDClasses/Public/USDAssetCache2.h
Removes the particular referencer to all assets tracked by the cache, if it was a referencer to any of them. Returns true if at least one asset referencer count was altered by this.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Caching", Meta=(CallInEditor="true")) bool RemoveAllAssetReferences ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * Referencer )